* {
    margin: 0;
    padding: 0;
}

.container {
    width: 100vw;
    height: 100vh;
    background-image: url(../img/index.png);
    background-position: no-repeat;
    background-size: 100% 100%;
    overflow: hidden !important;
    position: relative;
    background-position: center;
}

.left_img {
    width: 150px;
    height: auto;
    position: absolute;
    top: 18%;
    animation: breathingEffect 13s infinite ease-in-out;
    z-index: 10;
}

.right_img {
    width: 280px;
    height: auto;
    position: absolute;
    top: 15%;
    right: -15%;
    animation: breathingEffect 13s infinite ease-in-out;
    z-index: 10;
}
.top{
    width: 360px;
    height: auto;
    position: absolute;
    top: 3%;
    left: 3%;
    animation: breathingEffect 10s infinite ease-in-out;
    z-index: 1;
}
.btn_1{
    width: 160px;
    height: auto;
    position: absolute;
    animation: breathingEffect 8s infinite ease-in-out;
    z-index: 111;
    left: 29%;
    bottom: 10%;
}
.top img{
    width: 100%;
    height: 100%;
}
.btn_1 img{
    width: 100%;
    height: 100%;
}
.right_img img {
    height: 100%;
    width: 100%;
}

@keyframes breathingEffect {
    0% {
        transform: translate(0, 0) scale(1);
        /* 初始位置，原始大小 */
    }

    25% {
        transform: translate(-5px, -5px) scale(0.98);
        /* 向左上方移动，稍缩小 */
    }

    50% {
        transform: translate(5px, 5px) scale(1.02);
        /* 向右下方移动，稍放大 */
    }

    75% {
        transform: translate(3px, -3px) scale(0.99);
        /* 右上方移动，稍缩小 */
    }

    100% {
        transform: translate(0, 0) scale(1);
        /* 回到初始位置，原始大小 */
    }
}

.left_img img {
    width: 100%;
    height: 100%;
}

@keyframes flyAway {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(-100vw, -100vh);
    }
}
/* 新增 flyAwayRight 动画关键帧 */
@keyframes flyAwayRight {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100vw, -100vh);
    }
}
/* 新增 flyAwayUp 动画关键帧 */
@keyframes flyAwayUp {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(0, -100vh);
    }
}
@keyframes enlargeBackground {
    0% {
        background-size: 100% 100%;
        /* 初始状态，背景图片大小为 0 */
    }
    100% {
        background-size: 350% 350%;
        background-position: center;
        /* 最终状态，背景图片铺满容器 */
    }
}